Since ancient times, people have been harvesting and consuming parts of the cannabis plant to alleviate pain and treat a wide variety of health conditions. Today, in states where medical cannabis has been legalized, doctors can prescribe medicinal cannabis as a treatment for issues such as chronic pain, anxiety, and insomnia. Scientists and doctors have conducted numerous research and case studies concerning the treatment of health conditions with medical cannabis. A majority of studies have not only supported, but supplemented, the beneficial findings from thousands of years ago regarding medicinal cannabis uses. Simply put, the list of illnesses and conditions that can be successfully treated with medical cannabis is vast.